Create a new 450X300 pixels document.
Compose a stamp text and rasterize this layer.
Now create a new layer and choose a Rectangular Marquee Tool, make a selection and fill it with the blue colour.
Then apply Select > Modify > Contract (5 Pixels) and press DELETE, apply Select > Deselect.
Press Ctrl+E to combine two layers.
Apply Filter > Sketch > Torn Edges with the following settings:
Choose an Erazer Tool with a diameter 9 pixels and opacity 60% and make an arbitrary cuts.
Now apply Edit > Free Transform (Ctrl+T) and turn it to the right or to the left.
And that’s it.